ATPL: Which definition of propeller parameters is correct?
Domanda 302, Principles of Flight - ATPL - Airline Transport Pilot license
| Blade angle is the angle between the blade chord line and the propeller axis |
| Angle of attack is the angle between the blade chord line and the propeller vertical plane |
| Geometric pitch is the theoretical distance a propeller blade element would travel in a forward direction during one revolution |
| Critical tip velocity is the propeller speed at which flow separation first occurs at some part of the blade |
